const FieldTypes = {
  STRING: 'string',
  NUMBER: 'number',
  REFERENCE: 'ref',
};

const ComparisonOperators = {
  GREATERTHAN: 'gt',
  LESSTHAN: 'lt',
  EQUAL: 'eq',
  NOTEQUAL: 'ne',
  GREATEREQUAL: 'ge',
  LESSEQEUAL: 'le',
};

const comparisonOpsNames = {
  gt: '>',
  lt: '<',
  eq: '=',
  ne: '≠',
  ge: '≥',
  le: '≤',
};

export {
  FieldTypes,
  ComparisonOperators,
  comparisonOpsNames,
};
